User Manual

BAT
F
dB
S
8
Lo=35~100dB
Hi=65~130dB
CEM
6
F/S
7
dBA
dBC
¡ãF
¡ãC
%RH
A/C
O
IV. Name and Functions
① Windscreen
If you operate at wind speed over 10m/sec, please put protective accessories in front of the microphone.
② Display
SYMBOL FUNCTION
LCD 4digits
MAX Maximum Value hold
OVER Over range
F Fast response
S Slow response
A A-Weighting
C C-Weighting
Lo Low Range (30~100dB)
Hi High Range (60~130dB)
BAT Low-Battery
③ Power ON/OFF button I
Turn the meter power ON/OFF
④ Backlight Button:
Turn the meter backlight ON/OFF
MAX Hold button MAX
The max. Hold position is used to measure the maximum level of sounds. The maximum
measured level is up dated continuously. Press once again the button, will release the hold and
allow a further measurement.
⑤ A-weighting / C-weighting select button A/C
A: A – Weighting. For general sound level measurements.
C: C – Weighting. For checking the low- frequency content of noise.